백테스팅 수정

backend/src/main/java/com/goldenchart/dto/BacktestResponse.java

@@ -26,6 +26,10 @@ public class BacktestResponse {
     private BacktestAnalysisDto analysis;
     /** DB 저장 후 부여된 결과 ID */
     private Long resultId;
+    /** 실행에 사용된 시간봉 (요청 bars 기준) */
+    private String timeframe;
+    /** 실행 종목 */
+    private String symbol;
 
     @Data @Builder @NoArgsConstructor @AllArgsConstructor
     public static class Signal {

backend/src/main/java/com/goldenchart/service/BacktestingService.java

@@ -299,6 +299,8 @@ public class BacktestingService {
                 .stats(stats)
                 .analysis(analysis)
                 .resultId(resultId)
+                .timeframe(normalizeTf(req.getTimeframe()))
+                .symbol(req.getSymbol())
                 .build();
     }
 
@@ -616,7 +618,8 @@ public class BacktestingService {
             snapshot.put("strategyId", req.getStrategyId());
             snapshot.put("strategyName", strategyName);
             snapshot.put("symbol", req.getSymbol() != null ? req.getSymbol() : "UNKNOWN");
-            snapshot.put("timeframe", req.getTimeframe());
+            String execTf = normalizeTf(req.getTimeframe());
+            snapshot.put("timeframe", execTf);
             snapshot.put("barCount", bars.size());
             if (execParams != null && !execParams.isEmpty()) snapshot.put("indicatorParams", execParams);
             if (execBuyDsl != null && !execBuyDsl.isNull()) snapshot.put("buyCondition", execBuyDsl);
@@ -627,7 +630,7 @@ public class BacktestingService {
                     .strategyId(req.getStrategyId())
                     .strategyName(strategyName)
                     .symbol(req.getSymbol() != null ? req.getSymbol() : "UNKNOWN")
-                    .timeframe(req.getTimeframe())
+                    .timeframe(execTf)
                     .barCount(bars.size())
                     .fromTime(fromTime)
                     .toTime(toTime)